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Commit a106009b authored by Andi Kleen's avatar Andi Kleen Committed by Andi Kleen
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[PATCH] x86-64: Print type and size correctly for unknown compat ioctls 



Signed-off-by: default avatarAndi Kleen <ak@suse.de>
parent c812d6c1

fs/compat.c

+3 −2
Original line number Diff line number Diff line
@@ -371,13 +371,14 @@ static void compat_ioctl_error(struct file *filp, unsigned int fd, 
			fn = "?";

	}



	sprintf(buf,"'%c'", (cmd>>24) & 0x3f);

	sprintf(buf,"'%c'", (cmd>>_IOC_TYPESHIFT) & _IOC_TYPEMASK);

	if (!isprint(buf[1]))

		sprintf(buf, "%02x", buf[1]);

	compat_printk("ioctl32(%s:%d): Unknown cmd fd(%d) "

			"cmd(%08x){%s} arg(%08x) on %s\n",

			"cmd(%08x){t:%s;sz:%u} arg(%08x) on %s\n",

			current->comm, current->pid,

			(int)fd, (unsigned int)cmd, buf,

			(cmd >> _IOC_SIZESHIFT) & _IOC_SIZEMASK,

			(unsigned int)arg, fn);



	if (path)